Join the LeapFrog friends as they discover that fun, learning-filled adventure comes in all shapes and sizes. There's a new machine at the Letter Factory...but no one knows what it's supposed to do! With only a map and a few clues, Leap, Lily, and Tad set out to unlock the machine's secret, embarking on an amazing journey that will teach them about shapes, fractions, and measurements-and give them the tools they need to solve THE GREAT SHAPE MYSTERY!